<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	<style type="text/css">
			.box{
				width: 500px;
				height: 500px;
				background: green;
				display: flex;
				justify-content: space-around;
			}
			
			.one{
				border: 1px solid black;
				width: 100px;
				height: 100px;
				background: red;
				/*margin: auto;*/
			}
		</style>
	</head>
	<body>
		<div class="box">
			<div class="one">1</div>
			<div class="one">2</div>
			<div class="one">3</div>
			<div class="one">4</div>
		<!--	<div class="one">5</div>-->
		</div>
	</body>
</html>
